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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../index.html">directory</a> - <a href="index.html">MemCtrl</a> - bus_handler.cc</td>
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          <td class="headerItem" width="20%">Test:</td>
          <td class="headerValue" width="80%" colspan=4>iris.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2010-05-24</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">53</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">84.9 %</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">45</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : /*
<span class="lineNum">       2 </span>                :  * =====================================================================================
<span class="lineNum">       3 </span>                :  *
<span class="lineNum">       4 </span>                :  *       Filename:  bus_handler.cc
<span class="lineNum">       5 </span>                :  *
<span class="lineNum">       6 </span>                :  *    Description:  
<span class="lineNum">       7 </span>                :  *
<span class="lineNum">       8 </span>                :  *        Version:  1.0
<span class="lineNum">       9 </span>                :  *        Created:  02/18/2010 11:48:34 AM
<span class="lineNum">      10 </span>                :  *       Revision:  none
<span class="lineNum">      11 </span>                :  *       Compiler:  gcc
<span class="lineNum">      12 </span>                :  *
<span class="lineNum">      13 </span>                :  *         Author:  Mitchelle Rasquinha (), mitchelle.rasquinha@gatech.edu
<span class="lineNum">      14 </span>                :  *        Company:  Georgia Institute of Technology
<span class="lineNum">      15 </span>                :  *
<span class="lineNum">      16 </span>                :  * =====================================================================================
<span class="lineNum">      17 </span>                :  */
<span class="lineNum">      18 </span>                : 
<span class="lineNum">      19 </span>                : #include &lt;math.h&gt;
<span class="lineNum">      20 </span>                : #include &quot;bus_handler.h&quot;
<span class="lineNum">      21 </span>                : #include &quot;../MemCtrl/request_handler.h&quot;
<span class="lineNum">      22 </span>                : #include &quot;../MemCtrl/bus.h&quot;
<span class="lineNum">      23 </span>                : 
<span class="lineNum">      24 </span>                : using namespace std;
<span class="lineNum">      25 </span>                : 
<span class="lineNum">      26 </span>                : /*
<span class="lineNum">      27 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      28 </span>                :  *       Class:  BusHandler
<span class="lineNum">      29 </span>                :  *      Method:  BusHandler
<span class="lineNum">      30 </span>                :  * Description:  constructor
<span class="lineNum">      31 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      32 </span>                :  */
<span class="lineNum">      33 </span>                : 
<span class="lineNum">      34 </span><span class="lineCov">             16 : BusHandler::BusHandler()</span>
<span class="lineNum">      35 </span>                : {               
<span class="lineNum">      36 </span><span class="lineCov">             16 :     for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)</span>
<span class="lineNum">      37 </span>                :     {
<span class="lineNum">      38 </span><span class="lineCov">              8 :         full[i] = false;</span>
<span class="lineNum">      39 </span><span class="lineCov">              8 :         stopSignal = false;</span>
<span class="lineNum">      40 </span><span class="lineCov">              8 :         linkBusy[i] = false;    </span>
<span class="lineNum">      41 </span><span class="lineCov">              8 :         cmdIssuer[i].parent = (Component*)this;</span>
<span class="lineNum">      42 </span><span class="lineCov">              8 :         cmdIssuer[i].Id = i;</span>
<span class="lineNum">      43 </span><span class="lineCov">              8 :         cmdIssuer[i].bufferId = i;</span>
<span class="lineNum">      44 </span><span class="lineCov">             24 :         for (unsigned int j=0; j&lt;NO_OF_RANKS; j++)</span>
<span class="lineNum">      45 </span>                :         {
<span class="lineNum">      46 </span><span class="lineCov">            144 :             for (unsigned int k=0; k&lt;NO_OF_BANKS; k++)</span>
<span class="lineNum">      47 </span>                :             {
<span class="lineNum">      48 </span><span class="lineCov">            128 :                 oneReq[i][j][k] = false;</span>
<span class="lineNum">      49 </span>                :             }
<span class="lineNum">      50 </span>                :         }
<span class="lineNum">      51 </span>                :     }
<span class="lineNum">      52 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      53 </span>                : 
<span class="lineNum">      54 </span>                : /*
<span class="lineNum">      55 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      56 </span>                :  *       Class:  BusHandler
<span class="lineNum">      57 </span>                :  *      Method:  ~BusHandler
<span class="lineNum">      58 </span>                :  * Description:  destructor
<span class="lineNum">      59 </span>                :  *--------------------------------------------------------------------------------------
<span class="lineNum">      60 </span>                :  */
<span class="lineNum">      61 </span><span class="lineNoCov">              0 : BusHandler::~BusHandler()</span>
<span class="lineNum">      62 </span>                : {
<span class="lineNum">      63 </span>                : 
<span class="lineNum">      64 </span><span class="lineNoCov">              0 : }</span>
<span class="lineNum">      65 </span>                : 
<span class="lineNum">      66 </span><span class="lineNoCov">              0 : std::string BusHandler::toString()</span>
<span class="lineNum">      67 </span>                : {
<span class="lineNum">      68 </span><span class="lineNoCov">              0 :         return &quot;BusHandler&quot;;</span>
<span class="lineNum">      69 </span>                : }
<span class="lineNum">      70 </span>                : 
<span class="lineNum">      71 </span><span class="lineCov">        6315336 : void BusHandler::SetIfFull()</span>
<span class="lineNum">      72 </span>                : {
<span class="lineNum">      73 </span><span class="lineCov">       12630672 :     for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)</span>
<span class="lineNum">      74 </span>                :     {   
<span class="lineNum">      75 </span><span class="lineCov">       12630672 :         if (cmdQueue[i].size() &gt;= MAX_CMD_BUFFER_SIZE-2)</span>
<span class="lineNum">      76 </span><span class="lineCov">        1033092 :             full[i] = true;</span>
<span class="lineNum">      77 </span><span class="lineCov">        5282244 :         else if (!stopSignal)</span>
<span class="lineNum">      78 </span><span class="lineCov">        5282244 :             full[i] = false;    </span>
<span class="lineNum">      79 </span>                :     }   
<span class="lineNum">      80 </span><span class="lineCov">        6315336 : }</span>
<span class="lineNum">      81 </span><span class="lineCov">        5252618 : bool BusHandler::IsFull(int i)</span>
<span class="lineNum">      82 </span>                : {
<span class="lineNum">      83 </span><span class="lineCov">        5252618 :     return full[i];</span>
<span class="lineNum">      84 </span>                : }
<span class="lineNum">      85 </span><span class="lineCov">        3619621 : bool BusHandler::BankRankFree(unsigned int bankNo, unsigned int rankNo, unsigned int channelNo)</span>
<span class="lineNum">      86 </span>                : {
<span class="lineNum">      87 </span><span class="lineCov">        3619621 :     return !oneReq[channelNo][rankNo][bankNo];</span>
<span class="lineNum">      88 </span>                : }
<span class="lineNum">      89 </span>                : 
<span class="lineNum">      90 </span><span class="lineCov">         153719 : void BusHandler::LowLevelCmdGen(Request *req)</span>
<span class="lineNum">      91 </span>                : {
<span class="lineNum">      92 </span><span class="lineCov">         153719 :     DRAMCmdState cmdState;      </span>
<span class="lineNum">      93 </span><span class="lineCov">         153719 :     DRAMCmdState cmdState2;</span>
<span class="lineNum">      94 </span><span class="lineCov">         153719 :     DRAMCmdState cmdState3;     </span>
<span class="lineNum">      95 </span>                : 
<span class="lineNum">      96 </span>                : #ifdef OPEN_PAGE_POLICY 
<span class="lineNum">      97 </span><span class="lineCov">         153719 :     if (req-&gt;cmdType == REFRESH)</span>
<span class="lineNum">      98 </span>                :     {
<span class="lineNum">      99 </span><span class="lineCov">            680 :         cmdState.set(ALL_BANK_REFRESH,NORMAL,*req);</span>
<span class="lineNum">     100 </span><span class="lineCov">           1360 :         for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)</span>
<span class="lineNum">     101 </span><span class="lineCov">            680 :             cmdQueue[i].push_back(cmdState);</span>
<span class="lineNum">     102 </span>                :     }
<span class="lineNum">     103 </span>                :     else
<span class="lineNum">     104 </span>                :     {
<span class="lineNum">     105 </span><span class="lineCov">         153039 :         switch (req-&gt;status)</span>
<span class="lineNum">     106 </span>                :         {
<span class="lineNum">     107 </span>                :             case OPEN:
<span class="lineNum">     108 </span>                :                   break;  
<span class="lineNum">     109 </span>                :             case CLOSED:
<span class="lineNum">     110 </span><span class="lineCov">            114 :                   cmdState2.set(ACTIVATE,NORMAL,*req);</span>
<span class="lineNum">     111 </span><span class="lineCov">            114 :                   cmdQueue[req-&gt;channelNo].push_back(cmdState2);     </span>
<span class="lineNum">     112 </span>                :                   break;
<span class="lineNum">     113 </span>                :             case CONFLICT:
<span class="lineNum">     114 </span><span class="lineCov">          88991 :                   cmdState3.set(PRECHARGE,NORMAL,*req);</span>
<span class="lineNum">     115 </span><span class="lineCov">          88991 :                   cmdQueue[req-&gt;channelNo].push_back(cmdState3);</span>
<span class="lineNum">     116 </span><span class="lineCov">          88991 :                   cmdState2.set(ACTIVATE,NORMAL,*req);</span>
<span class="lineNum">     117 </span><span class="lineCov">          88991 :                   cmdQueue[req-&gt;channelNo].push_back(cmdState2);</span>
<span class="lineNum">     118 </span>                :                   break;
<span class="lineNum">     119 </span>                :             case IDLE:
<span class="lineNum">     120 </span><span class="lineNoCov">              0 :                   cout &lt;&lt; &quot;why I came in IDLE in CmdGen??&quot; &lt;&lt; endl;</span>
<span class="lineNum">     121 </span>                :                   break;
<span class="lineNum">     122 </span>                :             default:
<span class="lineNum">     123 </span><span class="lineNoCov">              0 :                   cout &lt;&lt; &quot;I cannot came in default of request status in CmdGen??&quot; &lt;&lt; endl;</span>
<span class="lineNum">     124 </span>                :                   break;
<span class="lineNum">     125 </span>                :         }
<span class="lineNum">     126 </span>                : 
<span class="lineNum">     127 </span><span class="lineCov">         153039 :         if (req-&gt;status == OPEN || req-&gt;status == CLOSED || req-&gt;status == CONFLICT)</span>
<span class="lineNum">     128 </span>                :         {
<span class="lineNum">     129 </span><span class="lineCov">         153039 :             switch (req-&gt;cmdType)</span>
<span class="lineNum">     130 </span>                :             {
<span class="lineNum">     131 </span>                :                 case CACHE_READ: 
<span class="lineNum">     132 </span><span class="lineCov">          78807 :                       cmdState.set(READ,READL,*req);</span>
<span class="lineNum">     133 </span>                :                       break;
<span class="lineNum">     134 </span>                :                 case CACHE_WRITE:
<span class="lineNum">     135 </span><span class="lineCov">          23654 :                       cmdState.set(READ,WRITEL,*req);</span>
<span class="lineNum">     136 </span>                :                       break;
<span class="lineNum">     137 </span>                :                 case CACHE_WRITEBACK:
<span class="lineNum">     138 </span><span class="lineCov">           4233 :                       cmdState.set(WRITE,WRITEBACKL,*req);</span>
<span class="lineNum">     139 </span>                :                       break;
<span class="lineNum">     140 </span>                :                 case CACHE_PREFETCH:
<span class="lineNum">     141 </span><span class="lineCov">          46345 :                       cmdState.set(READ,PREFETCHL,*req);</span>
<span class="lineNum">     142 </span>                :                       break;
<span class="lineNum">     143 </span>                :                 case REFRESH:
<span class="lineNum">     144 </span><span class="lineNoCov">              0 :                       cout &lt;&lt; &quot;should not come to refresh\n&quot;;</span>
<span class="lineNum">     145 </span>                :                       break;
<span class="lineNum">     146 </span>                :                 default: 
<span class="lineNum">     147 </span>                :                       break;
<span class="lineNum">     148 </span>                :             }   
<span class="lineNum">     149 </span><span class="lineCov">         153039 :             cmdQueue[req-&gt;channelNo].push_back(cmdState);</span>
<span class="lineNum">     150 </span>                :         }
<span class="lineNum">     151 </span>                :     }
<span class="lineNum">     152 </span>                : #endif
<span class="lineNum">     153 </span>                :     
<span class="lineNum">     154 </span>                : #ifdef CLOSE_PAGE_POLICY
<span class="lineNum">     155 </span>                :     if (req-&gt;cmdType == REFRESH)
<span class="lineNum">     156 </span>                :     {
<span class="lineNum">     157 </span>                :         cmdState.set(ALL_BANK_REFRESH,NORMAL,*req);
<span class="lineNum">     158 </span>                :         for (unsigned int i=0; i&lt;NO_OF_CHANNELS; i++)
<span class="lineNum">     159 </span>                :             cmdQueue[i].push_back(cmdState);
<span class="lineNum">     160 </span>                :     }
<span class="lineNum">     161 </span>                :     else
<span class="lineNum">     162 </span>                :     {
<span class="lineNum">     163 </span>                :           cmdState2.set(ACTIVATE,NORMAL,*req);
<span class="lineNum">     164 </span>                :           cmdQueue[req-&gt;channelNo].push_back(cmdState2);     
<span class="lineNum">     165 </span>                : 
<span class="lineNum">     166 </span>                :         if (req-&gt;status == OPEN || req-&gt;status == CLOSED || req-&gt;status == CONFLICT)
<span class="lineNum">     167 </span>                :         {
<span class="lineNum">     168 </span>                :             switch (req-&gt;cmdType)
<span class="lineNum">     169 </span>                :             {
<span class="lineNum">     170 </span>                :                 case CACHE_READ: 
<span class="lineNum">     171 </span>                :                       cmdState.set(READ,READL,*req);
<span class="lineNum">     172 </span>                :                       break;
<span class="lineNum">     173 </span>                :                 case CACHE_WRITE:
<span class="lineNum">     174 </span>                :                       cmdState.set(READ,WRITEL,*req);
<span class="lineNum">     175 </span>                :                       break;
<span class="lineNum">     176 </span>                :                 case CACHE_WRITEBACK:
<span class="lineNum">     177 </span>                :                       cmdState.set(WRITE,WRITEBACKL,*req);
<span class="lineNum">     178 </span>                :                       break;
<span class="lineNum">     179 </span>                :                 case CACHE_PREFETCH:
<span class="lineNum">     180 </span>                :                       cmdState.set(READ,PREFETCHL,*req);
<span class="lineNum">     181 </span>                :                       break;
<span class="lineNum">     182 </span>                :                 case REFRESH:
<span class="lineNum">     183 </span>                :                       cout &lt;&lt; &quot;should not come to refresh\n&quot;;
<span class="lineNum">     184 </span>                :                       break;
<span class="lineNum">     185 </span>                :                 default: 
<span class="lineNum">     186 </span>                :                       break;
<span class="lineNum">     187 </span>                :             }   
<span class="lineNum">     188 </span>                :             cmdQueue[req-&gt;channelNo].push_back(cmdState);
<span class="lineNum">     189 </span>                :             cmdState3.set(PRECHARGE,NORMAL,*req);
<span class="lineNum">     190 </span>                :             cmdQueue[req-&gt;channelNo].push_back(cmdState3);
<span class="lineNum">     191 </span>                :         }
<span class="lineNum">     192 </span>                :     }
<span class="lineNum">     193 </span>                : #endif
<span class="lineNum">     194 </span><span class="lineCov">         153721 : }</span>
</pre>
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  <tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
  <tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
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